Great Lakes Forecast
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FZUS63 KDTX 180831
GLFLH

Open Lake Forecast for Lake Huron
National Weather Service Detroit/Pontiac MI
327 AM EST Sat Nov 18 2017

For waters beyond five nautical miles off shore on Lake Huron

Waves are the significant wave height - the average of the highest
1/3 of the wave spectrum. Occasional wave height is the average of
the highest 1/10 of the wave spectrum.

.SYNOPSIS...Low pressure, 29.20 inches, will lift across Lake Erie
tonight. High pressure, 30.30 inches, will then build across the
Ohio Valley for the latter half of the weekend.

LHZ361-182100-
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
327 AM EST Sat Nov 18 2017

...GALE WARNING IN EFFECT FROM 3 PM EST THIS AFTERNOON THROUGH
SUNDAY EVENING...

.TODAY...Southwest winds 5 to 10 knots becoming north 10 to
15 knots in the late morning and afternoon. Showers. Waves 3 to
5 feet.
.TONIGHT...North winds 15 to 20 knots becoming northwest 20 to 25
knots with gusts to 35 knot gales after midnight. Showers early in
the evening. A chance of snow showers until early morning. Waves 4
to 6 feet.
.SUNDAY...Northwest winds 20 to 25 knots with gusts to 35 knot
gales. A chance of snow showers until late afternoon. Waves 5 to 7
feet. Waves occasionally around 10 feet.
.SUNDAY NIGHT...West winds 20 to 25 knots with gusts to 30 knots
decreasing to 15 to 20 knots in the late evening and overnight.
Waves 5 to 7 feet. Waves occasionally around 10 feet.
.MONDAY...West winds 10 to 15 knots decreasing to 5 to 10 knots
late in the morning...then becoming south 10 to 15 knots late in
the afternoon becoming southwest 15 to 20 knots with gusts to
30 knots late in the evening. Waves 3 to 5 feet subsiding to 2 to
4 feet late in the morning...then building to 3 to 5 feet late in
the afternoon.
.TUESDAY...Southwest winds 15 to 20 knots becoming west 20 to
25 knots until early evening...then decreasing to 15 to 20 knots
in the late evening and early morning. Gusts to 30 knots. A
chance of showers in the afternoon. A chance of snow showers late
in the afternoon. Waves 5 to 7 feet. Waves occasionally around
10 feet.
.WEDNESDAY...West winds 10 to 15 knots decreasing to 5 to
10 knots in the late evening and early morning. Waves 3 to 5 feet
subsiding to 1 to 3 feet in the late evening and early morning.


$$

LHZ362-363-182100-
Lake Huron from Presque Isle Light to Sturgeon Point MI beyond
5NM off shore-
Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off
shore-
327 AM EST Sat Nov 18 2017

...GALE WARNING IN EFFECT FROM 3 PM EST THIS AFTERNOON THROUGH
SUNDAY EVENING...

.TODAY...South winds 10 to 15 knots becoming southwest 5 to
10 knots in the late morning and early afternoon...then becoming
15 to 20 knots late in the afternoon. Showers. Waves 4 to 6 feet.
Waves occasionally around 8 feet.
.TONIGHT...North winds 20 to 25 knots with gusts to 30 knots
increasing to 30 knots with gusts to 40 knot gales after midnight.
Showers in the evening. A chance of snow showers. Waves 8 to 12 feet
building to 12 to 16 feet early in the morning. Waves occasionally
around 20 feet.
.SUNDAY...Northwest winds to 30 knots with gusts to 40 knot gales
decreasing to 20 to 25 knots with gusts to 35 knot gales in the
late morning and afternoon. A chance of snow showers until late
afternoon. Waves 10 to 14 feet. Waves occasionally around
18 feet.
.SUNDAY NIGHT...West winds 20 to 25 knots with gusts to 30 knots
decreasing to 15 to 20 knots with gusts to 30 knots in the late
evening and overnight. Waves 6 to 9 feet. Waves occasionally
around 12 feet.
.MONDAY...West winds 15 to 20 knots becoming southwest 10 to
15 knots late in the morning...then increasing to 15 to 20 knots
with gusts to 30 knots late in the afternoon increasing to 20 to
25 knots with gusts to 35 knot gales late in the evening. Waves
5 to 7 feet building to 8 to 12 feet late in the evening. Waves
occasionally around 15 feet.
.TUESDAY...Southwest winds to 30 knots becoming west 20 to
25 knots. Gusts to 35 knot gales. A chance of showers in the
afternoon. Waves 8 to 12 feet. Waves occasionally around 15 feet.
.WEDNESDAY...Northwest winds 15 to 20 knots becoming west 10 to
15 knots. Waves 4 to 6 feet subsiding to 2 to 4 feet in the late
evening and early morning. Waves occasionally around 8 feet.


$$

LHZ462>464-182100-
Lake Huron from Port Austin to Harbor Beach beyond 5NM Off Shore-
Lake Huron from Harbor Beach to Port Sanilac beyond 5NM Off Shore-
Lake Huron from Port Sanilac to Port Huron beyond 5NM Off Shore-
327 AM EST Sat Nov 18 2017

...GALE WARNING IN EFFECT FROM 3 PM EST THIS AFTERNOON THROUGH
SUNDAY EVENING...

.TODAY...South winds 10 to 15 knots becoming southwest 5 to
10 knots late in the morning...then veering to the northwest
early in the afternoon becoming north 10 to 15 knots late in the
afternoon. A chance of showers early in the morning...then
showers in the late morning and afternoon. Waves 3 to 5 feet
subsiding to 1 to 3 feet early in the afternoon...then building
to 2 to 4 feet late in the afternoon.
.TONIGHT...North winds 20 to 25 knots with gusts to 30 knots
becoming northwest at 35 knot gales with gusts to 40 knot gales.
Showers and a chance of snow showers in the evening...then a chance
of snow showers after midnight. Waves 6 to 9 feet building to 10 to
14 feet after midnight. Waves occasionally around 18 feet.
.SUNDAY...Northwest winds to 30 knots with gusts to 40 knot gales
decreasing to 20 to 25 knots with gusts to 35 knot gales in the
late morning and afternoon. A chance of snow showers until late
afternoon. Waves 10 to 14 feet. Waves occasionally around
18 feet.
.SUNDAY NIGHT...West winds 20 to 25 knots with gusts to 30 knots
decreasing to 15 to 20 knots in the late evening and overnight.
Waves 6 to 9 feet. Waves occasionally around 12 feet.
.MONDAY...Southwest winds 15 to 20 knots with gusts to 30 knots
increasing to 20 to 25 knots with gusts to 35 knot gales late in
the evening. Waves 4 to 6 feet building to 6 to 9 feet late in
the evening. Waves occasionally around 12 feet.
.TUESDAY...Southwest winds 20 to 25 knots with gusts to 35 knot
gales becoming west 15 to 20 knots in the late evening and early
morning. A chance of showers in the afternoon. Waves 6 to 9 feet.
Waves occasionally around 12 feet.
.WEDNESDAY...West winds 10 to 15 knots decreasing to 5 to
10 knots until early morning. Waves 3 to 5 feet subsiding to 1 to
3 feet in the late evening and early morning.


$$

LHZ461-181500-
MAFOR 1810/
HURON NORTH...Gale Warning in effect...11516 11710 11816
13826 11836 11830 19850. A chance of snow showers in the
evening...then a chance of snow and showers overnight. Waves 4 to
6 feet subsiding to 2 to 4 feet. Occasional wave height around 8
feet today. Waves 3 to 5 feet building to 5 to 7 feet. Occasional
wave height around 10 feet tonight. 210507 210305.

HURON SOUTH...Gale Warning in effect...11516 11500 11706
11816 12836 11846 19856 11840 19850. A chance of snow showers
tonight. Waves 3 to 5 feet subsiding to 1 to 3 feet today. Waves
4 to 6 feet building to 10 to 14 feet. Occasional wave height
around 18 feet tonight. 210406 210204.

$$

RBP

Experimental modernized open lake forecast is available online at
weather.gov/dtx/glftable (all lower case)

Graphical marine forecasts are available online at
weather.gov/greatlakes (all lower case)


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